Παραπομπή APA

Exemmal J,Guide, & K A Andrew. (2007). Effectiveness Of Field Study Method For Teaching Biological Science At Secondary Level. Dept of Education,University of Kerala.

Παραπομπή Chicago Style

Exemmal J,Guide, και K A Andrew. Effectiveness Of Field Study Method For Teaching Biological Science At Secondary Level. Thiruvananthapuram: Dept of Education,University of Kerala, 2007.

Παραπομπή MLA

Exemmal J,Guide, και K A Andrew. Effectiveness Of Field Study Method For Teaching Biological Science At Secondary Level. Dept of Education,University of Kerala, 2007.